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193674 (2001 DT99)
Classification: Main-belt Asteroid          SPK-ID: 2193674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396458875791059 7.1288e-08  
a 2.791792936700503 2.2392e-08 au
q 2.122751240447832 2.0219e-07 au
i 7.156225945860376 5.6763e-06 deg
node 256.8521061210941 5.9252e-05 deg
peri 241.7445899168177 6.1321e-05 deg
M 53.40995470624396 1.484e-05 deg
tp 2458747.719864686962
(2019-Sep-21.21986469)
6.8916e-05 TDB
period 1703.81812179397
4.66
2.0498e-05
5.612e-08
d
yr
n .2112901579077888 2.542e-09 deg/d
Q 3.460834632953173 2.7758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7418 days (20.31 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:06:54  

Additional Information
 Earth MOID = 1.14742 au 
 Jupiter MOID = 1.6693 au 
 T_jup = 3.275 
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Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2407930926142089 7.1262e-08  
q 2.11907362467447 2.0249e-07 au
tp 2457044.052475718456
(2015-Jan-21.55247572)
6.2704e-05 TDB
node 256.8790683013342 5.9258e-05 deg
peri 241.7552319241808 6.1297e-05 deg
i 7.157280238098674 5.6772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7418 days (20.31 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:06:54  

Additional Information
 Jupiter MOID = 1.6693 au 
 T_jup = 3.275 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.078306689975117E-15 -1.437974231257565E-14 1.983625687181522E-12 5.219131525223413E-14 6.157826935659929E-13 -8.68422251619999E-15
q -1.437974231257565E-14 4.100046817445818E-14 -5.411744878763737E-12 -1.457229172907531E-13 -1.687421635509384E-12 2.492705937137276E-14
tp 1.983625687181522E-12 -5.411744878763737E-12 3.931804180512467E-9 4.125909747434314E-11 1.046998152280925E-9 -3.965890481681183E-12
node 5.219131525223413E-14 -1.457229172907531E-13 4.125909747434314E-11 3.511520621290428E-9 -3.471055640331857E-9 1.837535197594675E-12
peri 6.157826935659929E-13 -1.687421635509384E-12 1.046998152280925E-9 -3.471055640331857E-9 3.757378730190069E-9 -3.039440630390359E-12
i -8.68422251619999E-15 2.492705937137276E-14 -3.965890481681183E-12 1.837535197594675E-12 -3.039440630390359E-12 3.22304304166169E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO418040  
diameter diameter 3.755 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193674 (2001 DT99)          Discovered 2001-Feb-17 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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